From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: [PATCH v4] Add mergeable RX bufs support to vhost Date: Thu, 22 Apr 2010 20:58:13 +0300 Message-ID: <20100422175813.GA2145@redhat.com> References: <20100422174349.GA1926@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: kvm-owner@vger.kernel.org To: David Stevens Cc: kvm@vger.kernel.org, virtualization@lists.osdl.org List-Id: virtualization@lists.linuxfoundation.org On Thu, Apr 22, 2010 at 11:59:55AM -0600, David Stevens wrote: > "Michael S. Tsirkin" wrote on 04/22/2010 10:43:49 AM: > > > On Mon, Apr 19, 2010 at 03:12:19PM -0700, David L Stevens wrote: > > > This patch adds the mergeable RX buffers feature to vhost. > > > > > > Signed-off-by: David L Stevens > > > > BTW, which userspace should I use for testing this? > > I use the qemu-kvm patch to your git tree that I posted > a while back (also attached). Doesn't apply, probably also corrupted. Could you put it up on dropbox please? > And it needs your TUNSETVNETHDRSIZE > ioctl in the kernel as well. Also, I added the TUN ioctl > defines to /usr/include for this to pick up (it compiles, but > won't do the ioctl's without that); will get back > to that patch per your comments next. > > [also correction: I said 10-20% guest to host, I meant host-to-guest > (ie, the receiver side). h2g appears improved too, but not as > much)] > > +-DLS